3-27
Leakage Breaker Connection Example
AC power
supply side
No-fuse
breaker
Surge
absorber
Leakage
breaker
Noise
filter
Servo Driver
side
D Harmonic Current Countermeasures (AC Reactor)
The AC Reactor is used for suppressing harmonic currents. It suppresses sudden and quick changes in
electric currents.
In September 1994, the Ministry of International Trade and Industry established guidelines for the sup-
pression of harmonic waves emitted from home and general electric appliances. To comply with the
guidelines, appropriate measures are required to suppress the influence of harmonic waves on power
supply lines.
Select the proper AC Reactor model according to the Servo Driver that is to be used.
Note DC Reactors cannot be connected to models R88D-WT60H to R88D-WT150H, so use an AC
Reactor instead.
Servo Drive
Reactor specifications
Model number Rated
current (A)
Inductance
(mH)
Reactor
type
R88D-WTA3HL/A5HL/01HL R88A-PX5063 1.8 10.0
DC Reactor
R88D-WT02HL R88A-PX5062 3.5 4.7
R88D-WTA3H/A5H/01H R88A-PX5071 0.85 40.0
R88D-WT02H R88A-PX5070 1.65 20.0
R88D-WT04H R88A-PX5069 3.3 10.0
R88D-WT05H/08H/10H R88A-PX5061 4.8 2.0
R88D-WT15H/20H R88A-PX5060 8.8 1.5
R88D-WT30H R88A-PX5059 14.0 1.0
R88D-WT50H R88A-PX5068 26.8 0.47
R88D-WT60H 3G3IV-PUZBAB40A0.265MH 40 0.265
AC Reactor
R88D-WT75H 3G3IV-PUZBAB60A0.18MH 60 0.18
R88D-WT150H 3G3IV-PUZBAB90A0.12MH 90 0.12
DC Reactor Connection Example AC Reactor Connection Example
DC Reactor
Servo Driver
AC Reactor
Servo Driver
R88D-WT60H to R88D-WT150H
R88D-WTA3j to R88D-WT50H
System Design and Installation
Chapter 3
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